Fuel And Emissions - Testing & Troubleshooting

• Component Location Index
  • Fuel And Emissions Systems
• System Description
  • Fuel Supply - Fuel Pump
  • Fuel Supply - High Pressure Fuel Pump
    • Outline
    • Construction
    • Operation
      • Suction
      • Pressure adjustment
      • Compression
  • Fuel Supply - RETURNLESS Fuel System
  • Improvement Control In Practical Use Fuel Consumption - Effective Control (2016 2017 2018)
    • Outline
    • Change of ETCS system control
    • Transmission Control System
    • Air Conditioning (A/C) System
    • Ambient Meter Function
  • Improvement Control In Practical Use Fuel Consumption - Effective Control (2019 2020 2021)
    • Outline
    • Change of ETCS system control
    • Transmission Control System
    • Air Conditioning (A/C) System
    • Ambient Meter Function
  • PGM-FI - A/F Sensor/Ho2S Feedback Air/Fuel Ratio Control
    • Notes
    • Air Fuel Ratio (A/F) Sensor (Sensor 1)
    • Secondary HO2S (Sensor 2)
  • PGM-FI - Fuel Cut-Off Control
    • Recovery engine speed from fuel cut-off during deceleration
    • Fuel cut-off at high engine speed
    • At High Speed Driving
  • PGM-FI - Fuel Cut-Off Control (16-20 6-Speed A/T) (2016 2017 2018 2019 2020)
    • Recovery engine speed from fuel cut-off during deceleration
    • Fuel cut-off at high engine speed
    • At High Speed Driving
• General Information
  • Fuel Line/Quick-Connect Fitting Precautions
  • Fuel Pressure Relieving
    • Procedure
  • Fuel Tank Draining
    • Drain
• Circuit Diagram
  • Fuel And Emissions Systems (2016 2017 2018)
  • FUEL AND EMISSIONS SYSTEMS (6-Speed A/T) (2016 2017 2018)
  • Fuel And Emissions Systems (2019)
  • FUEL AND EMISSIONS SYSTEMS (6-Speed A/T) (2019)
  • Fuel And Emissions Systems (2020 2021)
  • FUEL AND EMISSIONS SYSTEMS (6-Speed A/T) (2020)
• How To Information
  • Troubleshoot The Fuel And Emissions Systems
    • Intermittent Failures
    • Service Information
    • Opens and Shorts
    • CHECK SYSTEM Display Indication (CHECK STARTER SYSTEM)
    • CHECK SYSTEM Display Indication (CHECK AUTO START and STOP SYSTEM)
    • How to Use the HDS (Honda Diagnostic System)
    • If the MIL did not stay on
    • If you cannot duplicate the DTC
    • On-Board Snapshot
    • HDS Clear Command
    • Scan Tool Clear Command
    • DTC Clear
    • How to End a Troubleshooting Session (required after any troubleshooting)
    • How to Troubleshoot Circuits at the PCM Connectors
    • OBD Status
• Troubleshooting
  • FUEL PUMP CIRCUIT (6-Speed A/T), ('16-'18 9-Speed A/T)
  • Fuel Pump Circuit (2019 2020 2021)
• Symptom Troubleshooting
  • Fuel And Emissions Systems - Engine Stalls
  • Fuel And Emissions Systems - Engine Stalls Diagnostic Interview
  • Fuel And Emissions Systems - Engine Will Not Start, Engine Starts But Stalls Immediately, Or Engine Is Hard To Start
  • Fuel And Emissions Systems - Hard To Start Engine Diagnostic Interview
• Symptom Troubleshooting Index For Viewer
  • FUEL OVERFLOWS DURING REFUELING (No DTCs set)
• Test
  • Fuel Gauge Sending Unit
    • Test
  • Fuel Pressure
    • Notes
    • Test
  • Low Fuel Indicator
    • Test
• Inspection
  • Fuel Line
    • Inspection
    • Fuel Leak Check
• Symptom Troubleshooting Index
  • Fuel And Emissions Systems
• DTC Troubleshooting Index
  • Fuel and Emissions Systems DTC (2021)